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Convert LogReporter to ScheduledMetrics2Reporter
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Felix Barnsteiner
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Mar 12, 2016
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66 changes: 66 additions & 0 deletions
66
stagemonitor-core/src/main/java/org/stagemonitor/core/metrics/MetricNameFilter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| package org.stagemonitor.core.metrics; | ||
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| import java.util.Arrays; | ||
| import java.util.Collection; | ||
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| import com.codahale.metrics.Metric; | ||
| import org.stagemonitor.core.metrics.metrics2.Metric2Filter; | ||
| import org.stagemonitor.core.metrics.metrics2.MetricName; | ||
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| public class MetricNameFilter implements Metric2Filter { | ||
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| /** | ||
| * A {@link Metric2Filter} that excludes any results | ||
| * that match any of the provided patterns. | ||
| * @param patterns | ||
| * @return | ||
| */ | ||
| public static MetricNameFilter excludePatterns(MetricName... patterns) { | ||
| return new MetricNameFilter(Arrays.asList(patterns), false); | ||
| } | ||
| /** | ||
| * A {@link Metric2Filter} that excludes any results | ||
| * that match any of the provided patterns. | ||
| * @param patterns | ||
| * @return | ||
| */ | ||
| public static MetricNameFilter excludePatterns(Collection<MetricName> patterns) { | ||
| return new MetricNameFilter(patterns, false); | ||
| } | ||
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| /** | ||
| * A {@link Metric2Filter} that matches (includes) any results | ||
| * that match any of the provided patterns. | ||
| * @param patterns | ||
| * @return | ||
| */ | ||
| public static MetricNameFilter includePatterns(MetricName... patterns) { | ||
| return new MetricNameFilter(Arrays.asList(patterns), true); | ||
| } | ||
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| private final Collection<MetricName> patterns; | ||
| private final boolean matchResult; | ||
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| /** | ||
| * Equivalent to {@link #includePatterns(MetricName...)} | ||
| * @param patterns | ||
| */ | ||
| public MetricNameFilter(Collection<MetricName> patterns) { | ||
| this(patterns, true); | ||
| } | ||
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| private MetricNameFilter(Collection<MetricName> patterns, boolean matchResult) { | ||
| this.patterns = patterns; | ||
| this.matchResult = matchResult; | ||
| } | ||
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| @Override | ||
| public boolean matches(MetricName name, Metric metric) { | ||
| for (final MetricName pattern : patterns) { | ||
| if (name.matches(pattern)) { | ||
| return matchResult; | ||
| } | ||
| } | ||
| return !matchResult; | ||
| } | ||
| } |
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